FUNCTIONAL CHANGES OF URINARY TRACT IN GESTATIONAL PYELONEPHRITIS (LITERATURE REVIEW) gestational pyelonephritis, urinary tract, pregnancy, functional changes, urodynamics Irina Kolesnichenko, Galina Chernetsova, Ulan Sadyrbekov, Baktybek Botalaev, Naamaddin Eyvazov https://doi.org/10.54890/1694-6405_2023_3_71